/Engine/Source/Runtime/Engine/Classes/Kismet/KismetMathLibrary.h
If bPickA is true, A is returned, otherwise B is
static [UClass](API\Runtime\CoreUObject\UObject\UClass) * SelectClass ( [UClass](API\Runtime\CoreUObject\UObject\UClass) * A, [UClass](API\Runtime\CoreUObject\UObject\UClass) * B, bool bSelectA )